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The first Verilog simulator available on the Windows OS. The simulator had a cycle-based counterpart called 'CycleDrive'. FrontLine was sold to Avant! in 1998, which was later acquired by Synopsys in 2002. Synopsys discontinued Purespeed in favor of its well-established VCS simulator. Quartus II Simulator (Qsim) Altera: VHDL-1993, V2001, SV2005
List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.
The world of electronic design automation (EDA) software for integrated circuit (IC) design is dominated by the three vendors Synopsys, Cadence Design Systems and Siemens EDA (Formerly Mentor Graphics, acquired in 2017 by Siemens) which have a revenue respectively of 4,2 billion US$, 3 billion US$ and 1,3 billion US$.
Synopsys, Inc. is an American electronic design automation (EDA) company headquartered in Sunnyvale, California, that focuses on silicon design and verification, silicon intellectual property and software security and quality. Synopsys supplies tools and services to the semiconductor design and manufacturing industry.
EDA Playground - Free web browser-based VHDL IDE (uses Synopsys VCS, Cadence Incisive, Aldec Riviera-PRO and GHDL for VHDL simulation) GHDL is an open source [20] VHDL compiler that can execute VHDL programs. GHDL on GitHub; boot by freerangefactory.org is a VHDL compiler and simulator based on GHDL and GTKWave
FlightGear-a free, open-source atmospheric and orbital flight simulator with a flight dynamics engine (JSBSim) that is used in a 2015 NASA benchmark [1] to judge new simulation code to space industry standards. FreeFem++ - Free, open-source, multiphysics Finite Element Analysis (FEA) software.
Verilator is now used within academic research, open source projects and for commercial semiconductor development. It is part of the growing body of free electronic design automation (EDA) software. It is free and open-source software released under a GNU Lesser General Public License (LGPL) 3.0 only, or an Artistic License 2.0.
Specman is a feature of Cadence's new Xcelium simulator, where tighter product integration offers both faster runtime performance and debugs capabilities not available with other HDL simulators. In principle, Specman can co-simulate with any HDL simulator supporting standard PLI or VHPI interface, such as Synopsys's VCS, or Mentor's Questa.